<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>
<body>
<p>zepto test 1</p>
<p>zepto test 2</p>
<p>zepto test 3</p>

<div id="div1">
    <p>zepto test in div</p>
</div>

<script type="text/javascript" src="./my-zepto.js"></script>
<script type="text/javascript">
    var $p = $('p')
    $p.css('font-size', '40px')
    alert($p.html())

    var $div1 = $('#div1')
    $div1.css('color', 'blue')
    alert($div1.html())
</script>
</body>
</html>